112121331212 has 36 divisors (see below), whose sum is σ = 215820584280. Its totient is φ = 50928989760.

The previous prime is 112121331211. The next prime is 112121331227. The reversal of 112121331212 is 212133121211.

112121331212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (112121331211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626768 + ... + 785544.

It is an arithmetic number, because the mean of its divisors is an integer number (5995016230).

Almost surely, 2^112121331212 is an apocalyptic number.

It is an amenable number.

112121331212 is a deficient number, since it is larger than the sum of its proper divisors (103699253068).

112121331212 is a wasteful number, since it uses less digits than its factorization.

112121331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160262 (or 160249 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 112121331212 its reverse (212133121211), we get a palindrome (324254452423).

It can be divided in two parts, 11 and 2121331212, that multiplied together give a palindrome (23334643332).

The spelling of 112121331212 in words is "one hundred twelve billion, one hundred twenty-one million, three hundred thirty-one thousand, two hundred twelve".